@charset "utf-8";
/* ========================
common
========================*/
.section__title {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.section__title--border {
  border-bottom: 0.5px solid #000;
  padding-bottom: 64px;
}

.section__title h2,
.section__title h3 {
  font-family: var(--serif_en);
  font-size: 3.2rem;
  line-height: 1;
  letter-spacing: 0.02em;
}

.section__title p {
  font-family: var(--serif_ja);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.08em;
  margin-top: 32px;
}

@media screen and (max-width: 768px) {
  .section__title h2,
  .section__title h3 {
    font-size: 2.8rem;
  }

  .section__title p {
    font-size: 2rem;
    margin-top: 24px;
  }

  .section__title--border {
    padding-bottom: 48px;
  }

  .pcBr {
    display: none;
  }
}

/* ========================
hero view
========================*/
.mainVisual {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100vh;
  text-align: center;
}

.mainVisual img {
  width: 20vw;
  animation: fadeIn 3s ease-out;
}

.mainVisual p {
  font-family: var(--serif_en);
  font-size: 3.2rem;
  line-height: 1.5;
  letter-spacing: 0.03em;
  margin-top: 40px;
  animation: fadeIn 3s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* hero view SP */
@media screen and (max-width: 768px) {
  .mainVisual img {
    width: 70%;
    max-width: 500px;
  }

  .mainVisual p {
    font-size: 2.4rem;
    margin-top: 32px;
    padding: 0 20px;
  }
}

/* ========================
Value & Concept
========================*/
.section--about {
  margin: 0 6.25%;
}

.Value-Concept {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.value__list {
  display: flex;
  justify-content: center;
  align-items: start;
  gap: 10rem;
}

.value__list img {
  width: 100%;
  max-width: 210px;
}

.value__item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  max-width: 240px;
  margin-top: 64px;
}

.value__item h4 {
  font-family: var(--sansserif_ja);
  font-size: 1.8rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0;
  text-align: center;
  margin-top: 36px;
}

.value__item p {
  font-family: var(--sansserif_ja);
  font-size: 1.6rem;
  line-height: 2;
  text-align: justify;
  margin-top: 36px;
}

/* Value & Concept SP */
@media screen and (max-width: 1000px) {
  .section--about {
    margin: 0 8.5%;
  }

  .value__list {
    display: block;
  }

  .value__item {
    margin-top: 72px;
  }
}
/* SP 768px */

/* ========================
Mission & Vision
========================*/
.Mission-Vision {
  margin: 200px 6.25% 0;
}

.vision__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7.2rem 8.6rem;
  align-items: center;
  margin: 6.25% auto 0;
  max-width: 1200px;
  list-style: none;
  padding: 0;
}

.vision__item p {
  font-family: var(--serif_ja);
  font-size: 2rem;
  line-height: 3;
  text-align: justify;
}

.vision__item img {
  width: 100%;
  height: auto;
}

@media screen and (max-width: 1024px) {
  .Mission-Vision {
    margin: 120px 0 0;
  }

  .vision__list {
    display: flex;
    flex-direction: column;
    margin: 72px 0 0 0;
    gap: 0;
  }

  .vision__item img {
    display: block;
    margin: 0 auto;
    max-width: 80%;
  }

  .vision__item--row1:nth-child(1) {
    order: 2;
    margin-top: 48px;
  }

  .vision__item--row1:nth-child(2) {
    order: 1;
  }

  .vision__item--row2:nth-child(3) {
    order: 3;
    margin-top: 80px;
  }

  .vision__item--row2:nth-child(4) {
    order: 4;
    margin-top: 48px;
  }

  .vision__item p {
    font-size: 1.8rem;
    line-height: 2;
  }
}

/* ========================
Approach & Method
========================*/
.Approach-Method {
  margin: 200px 6.25% 0;
}

.section__title--approach {
  align-items: flex-start;
}

.timeline__group {
  position: relative;
}

.approach__timeline {
  display: flex;
  justify-content: center;
  gap: 120px;
}

.timeline__content {
  display: flex;
  flex-direction: column;
  flex: 1;
  margin-top: 8px;
  max-width: 170px;
  align-items: center;
}

/* タイムラインの線（横）*/
.timeline-deco {
  position: absolute;
  width: 100%;
}

.timeline-line {
  position: absolute;
  top: 130px;
  left: 0;
  height: 1.5px;
  background: var(--black);
  width: 100%;
}

/* 矢印部分 */
.timeline-line::after {
  content: "";
  position: absolute;
  right: 0;
  width: 45px; /* 長さ */
  height: 1.5px; /* 太さ */
  background: var(--black);
  transform: rotate(45deg);
  transform-origin: calc(100% - 0.5px) 50%;
  opacity: 0;
  animation: arrowAppear 0.5s cubic-bezier(0.25, 1.25, 0.5, 1) 1.5s forwards;
}

@keyframes arrowAppear {
  0% {
    opacity: 0;
    transform: rotate(45deg) scale(0.4);
  }
  70% {
    opacity: 1;
    transform: rotate(45deg) scale(1.1);
  }
  100% {
    opacity: 1;
    transform: rotate(45deg) scale(1);
  }
}
/* 矢印部分 */

/* ドット */
.timeline__dots {
  position: relative;
  height: 130px;
  width: 16px;
}

.timeline__dot1,
.timeline__dot2,
.timeline__dot3 {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--black);
}

.timeline__dot1 {
  bottom: 0;
}

.timeline__dot2 {
  bottom: 46px;
}

.timeline__dot3 {
  bottom: 92px;
}
/* ドット */

.timeline__list {
  margin-top: 32px;
}

.timeline__phase {
  font-family: var(--serif_en);
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
}

.timeline__desc {
  font-family: var(--sansserif_ja);
  font-size: 1.6rem;
  font-weight: 300;
  line-height: 2;
  margin-top: 32px;
  position: relative;
}

.timeline__desc::after {
  content: "";
  position: absolute;
  bottom: -16px;
  left: -20px;
  width: calc(100% + 30px);
  right: -15px;
  border: 0.5px solid var(--black);
}

.timeline__tasks {
  font-family: var(--sansserif_ja);
  font-size: 1.8rem;
  font-weight: 500;
  margin-top: 32px;
}

.timeline__tasks li {
  position: relative;
  margin-top: 16px;
}

.timeline__tasks li:not(.timeline__etc)::before {
  content: "";
  display: inline-block;
  position: absolute;
  left: -12px;
  top: 12px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--black);
}

.timeline__etc {
  color: var(--gray);
  text-align: end;
}

/* Approah & Method SP */
@media screen and (max-width: 1024px) {
  .Approach-Method {
    margin: 120px 0 0;
  }

  .section__title--approach {
    text-align: center;
    align-items: center;
  }

  .timeline__content {
    width: 100%;
    max-width: 100%;
    margin: 0;
    display: block;
  }

  .approach__timeline {
    flex-direction: column;
    position: relative;
    gap: 48px;
    margin: 72px auto 0;
    width: fit-content;
    width: 100%;
  }

  .timeline__list {
    padding-left: 60px;
    max-width: 370px;
    margin: 0 auto;
  }

  .timeline__phase,
  .timeline__desc,
  .timeline__tasks,
  .timeline__etc {
    text-align: left;
  }

  /* タイムラインの線（縦） */
  .timeline__group {
    position: relative;
  }

  .timeline-deco {
    position: absolute;
    height: 100%;
  }

  .timeline-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 1.5px;
    background: var(--black);
    height: 100%;
  }
  /* 
    @keyframes lineVertical {
    0% {
        height: 0%;
    }
    100% {
        height: 100%;
    }
} */
  /* タイムラインの線（縦） */

  /* 矢印部分 */
  .timeline-line::after {
    position: absolute;
    bottom: 0;
    top: auto;
    left: 0;
    width: 1.5px;
    height: 45px; /* 矢印の長さ */
    background: var(--black);
    transform: rotate(45deg) scale(0.4);
    transform-origin: bottom center;
    opacity: 0;
    animation: arrowAppearVertical 0.5s cubic-bezier(0.25, 1.25, 0.5, 1) 1s
      forwards;
  }
  /* 矢印部分 */

  @keyframes arrowAppearVertical {
    0% {
      opacity: 0;
      transform: rotate(45deg) scale(0.4);
    }
    70% {
      opacity: 1;
      transform: rotate(45deg) scale(1.1);
    }
    100% {
      opacity: 1;
      transform: rotate(45deg) scale(1);
    }
  }
  /*  */

  /* ドット */
  .timeline__dots {
    position: relative;
    top: 24px;
    left: 0;
    height: auto;
    width: 16px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    margin-left: 0;
    transform: translateX(-45%);
  }

  .timeline__dot1,
  .timeline__dot2,
  .timeline__dot3 {
    position: static;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--black);
    bottom: 0;
  }
  /* ドット */
}
/* ========================
Works
========================*/
.section--works {
  margin: 200px 6.25% 0;
  text-align: right;
}

.works__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 88px;
  text-align: left;
}

.works__item h3 {
  font-family: var(--serif_ja);
  font-size: 1.6rem;
  letter-spacing: 0.08em;
  margin-top: 24px;
  text-align: start;
}

.works__item a {
  display: block;
  position: relative;
  overflow: hidden;
}

.works__item a::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0);
  transition: background-color 0.3s ease;
  pointer-events: none;
  z-index: 1;
}

.works__item a:hover::before {
  background-color: rgba(255, 255, 255, 0.3);
}

.works__item img {
  position: relative;
}

.works__item img:hover {
  transform: scale(1.05);
  transition: transform 0.3s ease;
}

.view-more {
  display: inline-block;
  font-family: var(--serif_en);
  font-size: 1.6rem;
  position: relative;
  padding-left: 18px;
  margin-top: 36px;
}

.view-more::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background-color: var(--black);
  border-radius: 50%;
}

.view-more:hover::after {
  transform: translateY(-50%) scale(1.3);
  transition: transform 0.3s ease;
}

@media screen and (max-width: 1000px) {
  .section--works {
    margin: 120px 0 0;
  }

  .works__item h3 {
    margin: 24px 8.5% 0;
  }

  .works__grid {
    display: flex;
    gap: 0;
  }

  .view-more {
    margin: 36px 8.5% 0;
  }

  .works__item:nth-child(2),
  .works__item:nth-child(3) {
    display: none;
  }
}

/* ========================
Company
========================*/
.section--company {
  margin: 200px 6.25% 0;
}

.companyInfo__contain {
  display: flex;
  gap: 0 14%;
  align-items: flex-start;
  justify-content: center;
  padding: 0 97px;
}

.companyInfo__ja dt {
  font-family: var(--serif_ja);
  font-weight: 700;
  font-size: 1.8rem;
  line-height: 1.3;
  letter-spacing: 0.08em;
  margin-top: 64px;
}

.companyInfo__ja dd {
  font-family: var(--sansserif_ja);
  font-size: 1.6rem;
  margin-top: 16px;
}

.companyInfo__ja span {
  display: block;
  margin-top: 16px;
}

.companyInfo__ja span:first-child {
  margin-top: 0;
}

.companyInfo__en dt {
  font-family: var(--serif_en);
  font-weight: 700;
  font-size: 1.8rem;
  line-height: 1.5;
  letter-spacing: 0.01em;
  margin-top: 60px;
}

.companyInfo__en dd {
  font-family: var(--sansserif_en);
  font-weight: 400;
  font-size: 1.6rem;
  margin-top: 16px;
}

.companyInfo__en span {
  display: block;
  margin-top: 16px;
}

.companyInfo__en span:first-child {
  margin-top: 0;
}

@media screen and (max-width: 1000px) {
  .section--company {
    margin: 120px 8.5% 0;
  }

  .companyInfo__contain {
    flex-direction: column;
    gap: 0;
    align-items: center;
    justify-content: center;
    padding: 0 0;
  }

  .companyInfo__ja dt:first-child {
    margin-top: 48px;
  }

  .companyInfo__en {
    position: relative;
    margin-top: 100px;
    max-width: 398px;
  }

  .companyInfo__en::before {
    content: "";
    position: absolute;
    background-color: var(--black);
    left: 50%;
    top: -32px;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    border-radius: 50%;
  }
}

/* ========================
Main Client & Partner
========================*/
.Main-Client_Partner {
  display: block;
  margin: 200px 0 0;
}

.clients__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 56px 120px;
  align-items: center;
  justify-items: center;
  padding: 0 6.25%;
  margin-top: 64px;
}

.clients__item {
  display: none;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  height: 100px;
}

.clients__item:nth-child(7) {
  display: flex;
  order: 1;
}

.clients__item:nth-child(8) {
  display: flex;
  order: 2;
}

.clients__item img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

@media screen and (max-width: 1000px) {
  .clients__list {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 10%;
    padding: 0 2.5%;
    margin-top: 32px;
  }
}